Legal claims defining the scope of protection, as filed with the USPTO.
1. A method in a base station of a serving cell for transmitting Multimedia Broadcast Single-Frequency Network (MBSFN) subframe configuration information of neighboring cells, comprising: transmitting first information associated with a MBSFN subframe configuration of the serving cell to a User Equipment (UE) in the serving cell; transmitting second information including a first value if no MBSFN subframes are present in the all neighboring cells, a second value if MBSFN subframe configurations of all the neighboring cells are subsets of the subframe configuration of the serving cell, and a third value if MBSFN subframe configurations of some of the neighboring cells are not a subset of the subframe configuration of the serving cell; and receiving measurement information of the neighboring cells from the UE, wherein subframes associated with the measurement information are determined based on the second information, wherein, if the second information includes the first value, the subframes associated with the measurement information are preset subframes, wherein, if the second information includes the second value, the subframes associated with the measurement information are subframes of the neighboring cells that are the same as the measurement subframes of the serving cell, and wherein, if the second information includes the third value, the subframes associated with the measurement information are all subframes of the neighboring cells.
2. The method of claim 1 , wherein the neighboring cells are intra-frequency neighboring cells.
3. The method of claim 1 , wherein the neighboring cells are inter-frequency neighboring cells.
4. The method of claim 1 , wherein the neighboring cells comprise intra-frequency neighboring cells and inter-frequency neighboring cells.
5. The method of claim 1 , wherein the second information is transmitted via a broadcast control channel.
6. The method of claim 1 , wherein the second information is transmitted to the UE via a dedicated control channel by means of Radio Resource Control signaling.
7. The method of claim 1 , wherein a subframe of the neighboring cells being measured by the UE is determined based on the first information and the second information.
8. The method of claim 1 , wherein the each value included in the second information is bit information.
9. The method of claim 1 , further comprising: receiving, from the UE, a signal power measurement on the neighboring cells, according to the first information and the second information.
10. A base station of a serving cell, the base station comprising: a transceiver configured to transmit and receive a signal; and a controller configured: to transmit first information associated with a Multimedia Broadcast Single-Frequency Network (MBSFN) subframe configuration of the serving cell to a User Equipment (UE) in the serving cell, to transmit second information including a first value if no MBSFN subframes are present in the all neighboring cells, a second value if MBSFN subframe configurations of all the neighboring cells are subsets of the subframe configuration of the serving cell, and a third value if MBSFN subframe configurations of some of the neighboring cells are not a subset of the subframe configuration of the serving cell, and to receive measurement information of the neighboring cells from the UE, wherein subframes associated with the measurement information are determined based on the second information, wherein, if the second information includes the first value, the subframes associated with the measurement information are preset subframes, wherein, if the second information includes the second value, the subframes associated with the measurement information are subframes of the neighboring cells that are the same as the measurement subframes of the serving cell, and wherein, if the second information includes the third value, the subframes associated with the measurement information are all subframes of the neighboring cells.
11. A method in a User Equipment (UE) for measuring signal strength of the neighboring cells, the method comprising: receiving, from a base station of the serving cell, first information associated with a Multimedia Broadcast Single-frequency Network (MBSFN) subframe configuration of the serving cell; receiving, from the base station of the serving cell, second information including a first value if no MBSFN subframes are present in the all neighboring cells, a second value if MBSFN subframe configurations of all the neighboring cells are subsets of the subframe configuration of the serving cell, and a third value if MBSFN subframe configurations of some of the neighboring cells are not a subset of the subframe configuration of the serving cell; and measuring subframes associated with the neighboring cells, wherein, if the second information includes the first value, the subframes associated with the neighboring cells are preset subframes, wherein, if the second information includes the second value, the subframes associated with the neighboring cells are same as the measurement subframes of the serving cell, and wherein, if the second information includes the third value, the subframes associated with the neighboring cells are all subframes of the neighboring cells.
12. The method of claim 11 , wherein the each value included in the second information is bit information.
13. The method of claim 11 , further comprising transmitting the measured signal strengths of the neighboring cells to the base station of the serving cell.
14. The method of claim 11 , wherein the neighboring cells are intra-frequency neighboring cells.
15. The method of claim 11 , wherein the neighboring cells are inter-frequency neighboring cells.
16. The method of claim 11 , wherein the neighboring cells comprise intra-frequency neighboring cells and inter-frequency neighboring cells.
17. The method of claim 11 , wherein the second information is received via a broadcast control channel.
18. The method of claim 11 , wherein the second information is received from the base station of the serving cell via a dedicated control channel by means of Radio Resource Control signaling.
19. A User Equipment (UE) comprising: a transceiver configured to transmit and receive signals; and a controller configured: to receive, from a base station of the serving cell, first information associated with a Multimedia Broadcast Single-frequency Network (MBSFN) subframe configuration of the serving cell, to receive, from the base station of the serving cell, second information including a first value if no MBSFN subframes are present in the all neighboring cells, a second value if MBSFN subframe configurations of all the neighboring cells are subsets of the subframe configuration of the serving cell, and a third value if MBSFN subframe configurations of some of the neighboring cells are not a subset of the subframe configuration of the serving cell, to measure signal strengths of the neighboring cells, and to measure subframes associated with the neighboring cells, wherein, if the second information includes the first value, the subframes associated with the neighboring cells are preset subframes, wherein, if the second information includes the second value, the subframes associated with the neighboring cells are same as the measurement subframes of the serving cell, and wherein, if the second information includes the third value, the subframes associated with the neighboring cells are all subframes of the neighboring cells.
20. The base station of claim 10 , wherein the each value included in the second information is bit information.
21. The UE of claim 19 , wherein the each value included in the second information is bit information.
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May 19, 2015
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